diff options
Diffstat (limited to 'erts/emulator/beam')
-rw-r--r-- | erts/emulator/beam/erl_hl_timer.c | 1055 | ||||
-rw-r--r-- | erts/emulator/beam/erl_hl_timer.h | 2 |
2 files changed, 662 insertions, 395 deletions
diff --git a/erts/emulator/beam/erl_hl_timer.c b/erts/emulator/beam/erl_hl_timer.c index 6d570d28ec..102a739b13 100644 --- a/erts/emulator/beam/erl_hl_timer.c +++ b/erts/emulator/beam/erl_hl_timer.c @@ -29,7 +29,7 @@ # include "config.h" #endif -#define ERTS_MAGIC_REF_BIF_TIMERS +/* #define ERTS_MAGIC_REF_BIF_TIMERS */ #include "sys.h" #include "global.h" @@ -129,10 +129,12 @@ typedef struct ErtsHLTimer_ ErtsHLTimer; #define ERTS_HLT_PFIELD_NOT_IN_TABLE (~((UWord) 0)) +typedef struct ErtsBifTimer_ ErtsBifTimer; + typedef struct { - ErtsHLTimer *next; - ErtsHLTimer *prev; -} ErtsHLTimerList; + ErtsBifTimer *next; + ErtsBifTimer *prev; +} ErtsBifTimerList; typedef struct { UWord parent; /* parent pointer and flags... */ @@ -150,6 +152,11 @@ typedef struct { } ErtsHLTimerTimeTree; typedef struct { + UWord parent; /* parent pointer and flags... */ + ErtsBifTimer *right; + ErtsBifTimer *left; +} ErtsBifTimerTree; + typedef struct { Uint32 roflgs; erts_smp_atomic32_t refc; @@ -176,42 +183,59 @@ struct ErtsHLTimer_ { #ifdef ERTS_HLT_HARD_DEBUG int pending_timeout; #endif +}; - erts_smp_atomic32_t state; +typedef struct { + ErtsTmrHead head; /* NEED to be first! */ + union { + Eterm name; + Process *proc; + Port *port; + void (*callback)(void *); + } receiver; + ErtsTWheelTimer tw_tmr; +} ErtsTWTimer; - /* BIF timer only fields follow... */ +struct ErtsBifTimer_ { + union { + ErtsTmrHead head; + ErtsHLTimer hlt; + ErtsTWTimer twt; + } type; struct { + erts_smp_atomic32_t state; #ifdef ERTS_MAGIC_REF_BIF_TIMERS ErtsMagicBinary *mbin; ErtsHLTimerList proc_list; #else Uint32 refn[ERTS_REF_NUMBERS]; - ErtsHLTimerTree proc_tree; - ErtsHLTimerTree tree; + ErtsBifTimerTree proc_tree; + ErtsBifTimerTree tree; #endif - Eterm message; - ErlHeapFragment *bp; + Eterm message; + ErlHeapFragment *bp; } btm; }; -#define ERTS_HL_PTIMER_SIZE offsetof(ErtsHLTimer, btm) -#define ERTS_BIF_TIMER_SIZE sizeof(ErtsHLTimer) - -typedef struct { - ErtsTmrHead head; /* NEED to be first! */ - union { - void *p; - void (*callback)(void *); - } u; - ErtsTWheelTimer tw_tmr; -} ErtsTWTimer; - typedef union { ErtsTmrHead head; ErtsHLTimer hlt; ErtsTWTimer twt; + ErtsBifTimer btm; } ErtsTimer; +typedef ErtsTimer *(*ErtsCreateTimerFunc)(ErtsSchedulerData *esdp, + ErtsMonotonicTime timeout_pos, + int short_time, ErtsTmrType type, + void *rcvrp, Eterm rcvr, + Eterm msg, +#ifdef ERTS_MAGIC_REF_BIF_TIMERS + ErtsMagicBinary *mbin, +#else + Uint32 *refn, +#endif + void (*callback)(void *), void *arg); + #ifdef SMALL_MEMORY #define BIF_TIMER_PREALC_SZ 10 #define PTIMER_PREALC_SZ 10 @@ -221,7 +245,7 @@ typedef union { #endif ERTS_SCHED_PREF_PALLOC_IMPL(bif_timer_pre, - ErtsHLTimer, + ErtsBifTimer, BIF_TIMER_PREALC_SZ) ERTS_SCHED_PREF_QUICK_ALLOC_IMPL(tw_timer, @@ -293,7 +317,7 @@ struct ErtsHLTimerService_ { #endif ErtsHLTimer *time_tree; #ifndef ERTS_MAGIC_REF_BIF_TIMERS - ErtsHLTimer *btm_tree; + ErtsBifTimer *btm_tree; #endif ErtsHLTimer *next_timeout; ErtsYieldingTimeoutState yield; @@ -523,7 +547,7 @@ same_time_list_lookup(ErtsHLTimer *root, ErtsHLTimer *x) #ifndef ERTS_MAGIC_REF_BIF_TIMERS #define ERTS_RBT_PREFIX btm -#define ERTS_RBT_T ErtsHLTimer +#define ERTS_RBT_T ErtsBifTimer #define ERTS_RBT_KEY_T Uint32 * #define ERTS_RBT_FLAGS_T UWord #define ERTS_RBT_INIT_EMPTY_TNODE(T) \ @@ -549,7 +573,7 @@ same_time_list_lookup(ErtsHLTimer *root, ErtsHLTimer *x) (T)->btm.tree.parent |= (F); \ } while (0) #define ERTS_RBT_GET_PARENT(T) \ - ((ErtsHLTimer *) ((T)->btm.tree.parent & ~ERTS_HLT_PFLGS_MASK)) + ((ErtsBifTimer *) ((T)->btm.tree.parent & ~ERTS_HLT_PFLGS_MASK)) #define ERTS_RBT_SET_PARENT(T, P) \ do { \ ERTS_HLT_ASSERT((((UWord) (P)) & ERTS_HLT_PFLGS_MASK) == 0); \ @@ -578,9 +602,9 @@ same_time_list_lookup(ErtsHLTimer *root, ErtsHLTimer *x) #ifdef ERTS_MAGIC_REF_BIF_TIMERS static ERTS_INLINE void -proc_btm_list_insert(ErtsHLTimer **list, ErtsHLTimer *x) +proc_btm_list_insert(ErtsBifTimer **list, ErtsBifTimer *x) { - ErtsHLTimer *y = *list; + ErtsBifTimer *y = *list; if (!y) { x->btm.proc_list.next = x; x->btm.proc_list.prev = x; @@ -596,9 +620,9 @@ proc_btm_list_insert(ErtsHLTimer **list, ErtsHLTimer *x) } static ERTS_INLINE void -proc_btm_list_delete(ErtsHLTimer **list, ErtsHLTimer *x) +proc_btm_list_delete(ErtsBifTimer **list, ErtsBifTimer *x) { - ErtsHLTimer *y = *list; + ErtsBifTimer *y = *list; if (y == x && x->btm.proc_list.next == x) { ERTS_HLT_ASSERT(x->btm.proc_list.prev == x); *list = NULL; @@ -615,13 +639,13 @@ proc_btm_list_delete(ErtsHLTimer **list, ErtsHLTimer *x) } static ERTS_INLINE int -proc_btm_list_foreach_destroy_yielding(ErtsHLTimer **list, - void (*destroy)(ErtsHLTimer *, void *), +proc_btm_list_foreach_destroy_yielding(ErtsBifTimer **list, + void (*destroy)(ErtsBifTimer *, void *), void *arg, int limit) { int i; - ErtsHLTimer *first, *last; + ErtsBifTimer *first, *last; first = *list; if (!first) @@ -629,7 +653,7 @@ proc_btm_list_foreach_destroy_yielding(ErtsHLTimer **list, last = first->btm.proc_list.prev; for (i = 0; i < limit; i++) { - ErtsHLTimer *x = last; + ErtsBifTimer *x = last; last = last->btm.proc_list.prev; (*destroy)(x, arg); x->btm.proc_list.next = NULL; @@ -647,7 +671,7 @@ proc_btm_list_foreach_destroy_yielding(ErtsHLTimer **list, #else /* !ERTS_MAGIC_REF_BIF_TIMERS */ #define ERTS_RBT_PREFIX proc_btm -#define ERTS_RBT_T ErtsHLTimer +#define ERTS_RBT_T ErtsBifTimer #define ERTS_RBT_KEY_T Uint32 * #define ERTS_RBT_FLAGS_T UWord #define ERTS_RBT_INIT_EMPTY_TNODE(T) \ @@ -673,7 +697,7 @@ proc_btm_list_foreach_destroy_yielding(ErtsHLTimer **list, (T)->btm.proc_tree.parent |= (F); \ } while (0) #define ERTS_RBT_GET_PARENT(T) \ - ((ErtsHLTimer *) ((T)->btm.proc_tree.parent & ~ERTS_HLT_PFLGS_MASK)) + ((ErtsBifTimer *) ((T)->btm.proc_tree.parent & ~ERTS_HLT_PFLGS_MASK)) #define ERTS_RBT_SET_PARENT(T, P) \ do { \ ERTS_HLT_ASSERT((((UWord) (P)) & ERTS_HLT_PFLGS_MASK) == 0); \ @@ -738,8 +762,8 @@ erts_timer_type_size(ErtsAlcType_t type) { switch (type) { case ERTS_ALC_T_LL_PTIMER: return sizeof(ErtsTWTimer); - case ERTS_ALC_T_HL_PTIMER: return ERTS_HL_PTIMER_SIZE; - case ERTS_ALC_T_BIF_TIMER: return ERTS_BIF_TIMER_SIZE; + case ERTS_ALC_T_HL_PTIMER: return sizeof(ErtsHLTimer); + case ERTS_ALC_T_BIF_TIMER: return sizeof(ErtsBifTimer); default: ERTS_INTERNAL_ERROR("Unknown type"); } return 0; @@ -798,6 +822,111 @@ port_timeout_common(Port *port, void *tmr) return 0; } +#ifdef ERTS_MAGIC_REF_BIF_TIMERS + +static erts_smp_atomic_t * +mbin_to_btmref__(ErtsMagicBinary *mbin) +{ + return erts_smp_binary_to_magic_indirection((Binary *) mbin); +} + +static ERTS_INLINE void +magic_binary_init(ErtsMagicBinary *mbin, ErtsBifTimer *tmr) +{ + erts_smp_atomic_t *aptr = mbin_to_btmref__(mbin); + erts_smp_atomic_init_nob(aptr, (erts_aint_t) tmr); +} + +static ERTS_INLINE ErtsBifTimer * +magic_binary_to_btm(ErtsMagicBinary *mbin) +{ + erts_smp_atomic_t *aptr = mbin_to_btmref__(mbin); + ErtsBifTimer *tmr = (ErtsBifTimer *) erts_smp_atomic_read_nob(aptr); + ERTS_HLT_ASSERT(!tmr || tmr->btm.mbin == mbin); + return tmr; +} + +#endif /* ERTS_MAGIC_REF_BIF_TIMERS */ + +static ERTS_INLINE erts_aint_t +init_btm_specifics(ErtsSchedulerData *esdp, + ErtsBifTimer *tmr, Eterm msg, +#ifdef ERTS_MAGIC_REF_BIF_TIMERS + ErtsMagicBinary *mbin +#else + Uint32 *refn +#endif + ) +{ + Uint hsz = is_immed(msg) ? ((Uint) 0) : size_object(msg); + int refc; + if (!hsz) { + tmr->btm.message = msg; + tmr->btm.bp = NULL; + } + else { + ErlHeapFragment *bp = new_message_buffer(hsz); + Eterm *hp = bp->mem; + tmr->btm.message = copy_struct(msg, hsz, &hp, &bp->off_heap); + tmr->btm.bp = bp; + } +#ifdef ERTS_MAGIC_REF_BIF_TIMERS + refc = 1; + tmr->btm.mbin = mbin; + erts_refc_inc(&mbin->refc, 1); + magic_binary_init(mbin, tmr); + tmr->btm.proc_list.next = NULL; +#else + refc = 0; + tmr->btm.refn[0] = refn[0]; + tmr->btm.refn[1] = refn[1]; + tmr->btm.refn[2] = refn[2]; + + tmr->btm.proc_tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE; + + btm_rbt_insert(&esdp->timer_service->btm_tree, tmr); +#endif + + erts_smp_atomic32_init_nob(&tmr->btm.state, ERTS_TMR_STATE_ACTIVE); + return refc; /* refc from magic binary... */ +} + +static void tw_bif_timer_timeout(void *vbtmp); + +static ERTS_INLINE void +timer_destroy(ErtsTimer *tmr, int twt, int btm) +{ + if (!btm) { + if (twt) + tw_timer_free(&tmr->twt); + else + erts_free(ERTS_ALC_T_HL_PTIMER, tmr); + } + else { +#ifdef ERTS_MAGIC_REF_BIF_TIMERS + Binary *bp = (Binary *) tmr->btm.btm.mbin; + if (erts_refc_dectest(&bp->refc, 0) == 0) + erts_bin_free(bp); +#endif + if (tmr->head.roflgs & ERTS_TMR_ROFLG_PRE_ALC) + bif_timer_pre_free(&tmr->btm); + else + erts_free(ERTS_ALC_T_BIF_TIMER, &tmr->btm); + } +} + +static ERTS_INLINE void +timer_pre_dec_refc(ErtsTimer *tmr) +{ +#ifdef ERTS_HLT_DEBUG + erts_aint_t refc; + refc = erts_smp_atomic32_dec_read_nob(&tmr->head.refc); + ERTS_HLT_ASSERT(refc > 0); +#else + erts_smp_atomic32_dec_nob(&tmr->head.refc); +#endif +} + /* * Basic timer wheel timer stuff */ @@ -805,26 +934,39 @@ port_timeout_common(Port *port, void *tmr) static void scheduled_tw_timer_destroy(void *vtmr) { - tw_timer_free((ErtsTWTimer *) vtmr); + ErtsTimer * tmr = (ErtsTimer *) vtmr; + int btm = !!(tmr->head.roflgs & ERTS_TMR_ROFLG_BIF_TMR); + timer_destroy((ErtsTimer *) vtmr, 1, btm); } static void schedule_tw_timer_destroy(ErtsTWTimer *tmr) { + Uint size; /* * Reference to process/port can be * dropped at once... */ if (tmr->head.roflgs & ERTS_TMR_ROFLG_PROC) - erts_proc_dec_refc((Process *) tmr->u.p); + erts_proc_dec_refc(tmr->receiver.proc); else if (tmr->head.roflgs & ERTS_TMR_ROFLG_PORT) - erts_port_dec_refc((Port *) tmr->u.p); + erts_port_dec_refc(tmr->receiver.port); + + if (!(tmr->head.roflgs & ERTS_TMR_ROFLG_BIF_TMR)) + size = sizeof(ErtsHLTimer); + else { + /* Message buffer already dropped... */ + size = sizeof(ErtsBifTimer); +#ifdef ERTS_MAGIC_REF_BIF_TIMERS + size += sizeof(ErtsMagicIndirectionWord); +#endif + } erts_schedule_thr_prgr_later_cleanup_op( scheduled_tw_timer_destroy, (void *) tmr, &tmr->tw_tmr.u.cleanup, - sizeof(ErtsTWTimer)); + size); } static ERTS_INLINE void @@ -840,7 +982,7 @@ static void tw_proc_timeout(void *vtwtp) { ErtsTWTimer *twtp = (ErtsTWTimer *) vtwtp; - Process *proc = (Process *) twtp->u.p; + Process *proc = twtp->receiver.proc; if (proc_timeout_common(proc, vtwtp)) tw_timer_dec_refc(twtp); tw_timer_dec_refc(twtp); @@ -850,7 +992,7 @@ static void tw_port_timeout(void *vtwtp) { ErtsTWTimer *twtp = (ErtsTWTimer *) vtwtp; - Port *port = (Port *) twtp->u.p; + Port *port = twtp->receiver.port; if (port_timeout_common(port, vtwtp)) tw_timer_dec_refc(twtp); tw_timer_dec_refc(twtp); @@ -874,53 +1016,78 @@ static void tw_callback_timeout(void *vtwtp) { ErtsTWTimer *twtp = (ErtsTWTimer *) vtwtp; - void (*callback)(void *) = twtp->u.callback; + void (*callback)(void *) = twtp->receiver.callback; void *arg = twtp->head.u.arg; tw_timer_dec_refc(twtp); (*callback)(arg); } -static ErtsTWTimer * -create_tw_timer(ErtsSchedulerData *esdp, - ErtsTmrType type, void *p, - void (*callback)(void *), void *arg, - ErtsMonotonicTime timeout_pos) +static ErtsTimer * +create_tw_timer(ErtsSchedulerData *esdp, + ErtsMonotonicTime timeout_pos, + int short_time, ErtsTmrType type, + void *rcvrp, Eterm rcvr, + Eterm msg, +#ifdef ERTS_MAGIC_REF_BIF_TIMERS + ErtsMagicBinary *mbin, +#else + Uint32 *refn, +#endif + void (*callback)(void *), void *arg) { ErtsTWTimer *tmr; void (*timeout_func)(void *); void (*cancel_func)(void *); erts_aint32_t refc; - tmr = tw_timer_alloc(); - erts_twheel_init_timer(&tmr->tw_tmr); + if (type != ERTS_TMR_BIF) { + tmr = tw_timer_alloc(); + tmr->head.roflgs = 0; + } + else { + if (short_time) { + tmr = (ErtsTWTimer *) bif_timer_pre_alloc(); + if (!tmr) + goto alloc_bif_timer; + tmr->head.roflgs = (ERTS_TMR_ROFLG_BIF_TMR + | ERTS_TMR_ROFLG_PRE_ALC); + } + else { + alloc_bif_timer: + tmr = (ErtsTWTimer *) erts_alloc(ERTS_ALC_T_BIF_TIMER, + sizeof(ErtsBifTimer)); + tmr->head.roflgs = ERTS_TMR_ROFLG_BIF_TMR; + } + } - tmr->head.roflgs = (Uint32) esdp->no; - ERTS_HLT_ASSERT((tmr->head.roflgs - & ~ERTS_TMR_ROFLG_SID_MASK) == 0); + erts_twheel_init_timer(&tmr->tw_tmr); + tmr->head.roflgs |= (Uint32) esdp->no; + ERTS_HLT_ASSERT((((Uint32) esdp->no) + & ~ERTS_TMR_ROFLG_SID_MASK) == 0); switch (type) { case ERTS_TMR_PROC: - tmr->u.p = p; + tmr->receiver.proc = (Process *) rcvrp; tmr->head.roflgs |= ERTS_TMR_ROFLG_PROC; timeout_func = tw_proc_timeout; cancel_func = tw_ptimer_cancel; - erts_proc_inc_refc((Process *) p); + erts_proc_inc_refc((Process *) rcvrp); refc = 2; break; case ERTS_TMR_PORT: - tmr->u.p = p; + tmr->receiver.port = (Port *) rcvrp; tmr->head.roflgs |= ERTS_TMR_ROFLG_PORT; timeout_func = tw_port_timeout; cancel_func = tw_ptimer_cancel; - erts_port_inc_refc((Port *) p); + erts_port_inc_refc((Port *) rcvrp); refc = 2; break; case ERTS_TMR_CALLBACK: tmr->head.u.arg = arg; - tmr->u.callback = callback; + tmr->receiver.callback = callback; tmr->head.roflgs |= ERTS_TMR_ROFLG_CALLBACK; timeout_func = tw_callback_timeout; @@ -928,6 +1095,33 @@ create_tw_timer(ErtsSchedulerData *esdp, refc = 1; break; + case ERTS_TMR_BIF: + + timeout_func = tw_bif_timer_timeout; + cancel_func = NULL; + if (is_internal_pid(rcvr)) { + tmr->head.roflgs |= ERTS_TMR_ROFLG_PROC; + tmr->receiver.proc = (Process *) rcvrp; + refc = 2; + } + else { + ERTS_HLT_ASSERT(is_atom(rcvr)); + tmr->head.roflgs |= ERTS_TMR_ROFLG_REG_NAME; + tmr->receiver.name = (Eterm) rcvr; + refc = 1; + } + + refc += init_btm_specifics(esdp, + (ErtsBifTimer *) tmr, + msg, +#ifdef ERTS_MAGIC_REF_BIF_TIMERS + mbin +#else + refn +#endif + ); + break; + default: ERTS_INTERNAL_ERROR("Unsupported timer type"); return NULL; @@ -942,36 +1136,19 @@ create_tw_timer(ErtsSchedulerData *esdp, tmr, timeout_pos); - return tmr; + return (ErtsTimer *) tmr; } /* * Basic high level timer stuff */ -static ERTS_INLINE void -hl_timer_destroy(ErtsHLTimer *tmr) -{ - Uint32 roflgs = tmr->head.roflgs; - if (!(roflgs & ERTS_TMR_ROFLG_BIF_TMR)) - erts_free(ERTS_ALC_T_HL_PTIMER, tmr); - else { -#ifdef ERTS_MAGIC_REF_BIF_TIMERS - Binary *bp = (Binary *) tmr->btm.mbin; - if (erts_refc_dectest(&bp->refc, 0) == 0) - erts_bin_free(bp); -#endif - if (roflgs & ERTS_TMR_ROFLG_PRE_ALC) - bif_timer_pre_free(tmr); - else - erts_free(ERTS_ALC_T_BIF_TIMER, tmr); - } -} - static void scheduled_hl_timer_destroy(void *vtmr) { - hl_timer_destroy((ErtsHLTimer *) vtmr); + ErtsTimer * tmr = (ErtsTimer *) vtmr; + int btm = !!(tmr->head.roflgs & ERTS_TMR_ROFLG_BIF_TMR); + timer_destroy((ErtsTimer *) vtmr, 0, btm); } static void @@ -999,14 +1176,13 @@ schedule_hl_timer_destroy(ErtsHLTimer *tmr, Uint32 roflgs) } if (!(roflgs & ERTS_TMR_ROFLG_BIF_TMR)) - size = ERTS_HL_PTIMER_SIZE; - else { - /* - * Message buffer can be dropped at - * once... - */ size = sizeof(ErtsHLTimer); - + else { + /* Message buffer already dropped... */ + size = sizeof(ErtsBifTimer); +#ifdef ERTS_MAGIC_REF_BIF_TIMERS + size += sizeof(ErtsMagicIndirectionWord); +#endif } erts_schedule_thr_prgr_later_cleanup_op( @@ -1015,18 +1191,6 @@ schedule_hl_timer_destroy(ErtsHLTimer *tmr, Uint32 roflgs) } static ERTS_INLINE void -hl_timer_pre_dec_refc(ErtsHLTimer *tmr) -{ -#ifdef ERTS_HLT_DEBUG - erts_aint_t refc; - refc = erts_smp_atomic32_dec_read_nob(&tmr->head.refc); - ERTS_HLT_ASSERT(refc > 0); -#else - erts_smp_atomic32_dec_nob(&tmr->head.refc); -#endif -} - -static ERTS_INLINE void hl_timer_dec_refc(ErtsHLTimer *tmr, Uint32 roflgs) { if (erts_smp_atomic32_dec_read_relb(&tmr->head.refc) == 0) { @@ -1060,32 +1224,17 @@ check_canceled_queue(ErtsSchedulerData *esdp, ErtsHLTimerService *srv) #ifdef ERTS_MAGIC_REF_BIF_TIMERS -static erts_smp_atomic_t * -mbin_to_btmref__(ErtsMagicBinary *mbin) -{ - return erts_smp_binary_to_magic_indirection((Binary *) mbin); -} - -static ERTS_INLINE void -magic_binary_init(ErtsMagicBinary *mbin, ErtsHLTimer *tmr) -{ - erts_smp_atomic_t *aptr = mbin_to_btmref__(mbin); - erts_smp_atomic_init_nob(aptr, (erts_aint_t) tmr); -} - -static ERTS_INLINE ErtsHLTimer * -magic_binary_to_btm(ErtsMagicBinary *mbin) +static int +bif_timer_ref_destructor(Binary *unused) { - erts_smp_atomic_t *aptr = mbin_to_btmref__(mbin); - ErtsHLTimer *tmr = (ErtsHLTimer *) erts_smp_atomic_read_nob(aptr); - ERTS_HLT_ASSERT(!tmr || tmr->btm.mbin == mbin); - return tmr; + return 1; } static ERTS_INLINE void -btm_clear_magic_binary(ErtsHLTimer *tmr) +btm_clear_magic_binary(ErtsBifTimer *tmr) { erts_smp_atomic_t *aptr = mbin_to_btmref__(tmr->btm.mbin); + Uint32 roflgs = tmr->type.head.roflgs; #ifdef ERTS_HLT_DEBUG erts_aint_t tval = erts_smp_atomic_xchg_nob(aptr, (erts_aint_t) NULL); @@ -1093,23 +1242,117 @@ btm_clear_magic_binary(ErtsHLTimer *tmr) #else erts_smp_atomic_set_nob(aptr, (erts_aint_t) NULL); #endif - hl_timer_dec_refc(tmr, tmr->head.roflgs); + if (roflgs & ERTS_TMR_ROFLG_HLT) + hl_timer_dec_refc(&tmr->type.hlt, roflgs); + else + tw_timer_dec_refc(&tmr->type.twt); } -static int -bif_timer_ref_destructor(Binary *unused) +#endif /* ERTS_MAGIC_REF_BIF_TIMERS */ + +static ERTS_INLINE void +bif_timer_timeout(ErtsHLTimerService *srv, ErtsBifTimer *tmr, + Uint32 roflgs, int is_hlt) { - return 1; -} + erts_aint32_t state; + + ERTS_HLT_ASSERT(tmr->type.head.roflgs == roflgs); + ERTS_HLT_ASSERT(roflgs & ERTS_TMR_ROFLG_BIF_TMR); + ERTS_HLT_ASSERT(!!is_hlt == !!(roflgs & ERTS_TMR_ROFLG_HLT)); + + state = erts_smp_atomic32_cmpxchg_acqb(&tmr->btm.state, + ERTS_TMR_STATE_TIMED_OUT, + ERTS_TMR_STATE_ACTIVE); + ERTS_HLT_ASSERT(state == ERTS_TMR_STATE_CANCELED + || state == ERTS_TMR_STATE_ACTIVE); + + if (state == ERTS_TMR_STATE_ACTIVE) { + Process *proc; + int dec_refc = 0; + Uint32 is_reg_name = (roflgs & ERTS_TMR_ROFLG_REG_NAME); + +#ifdef ERTS_MAGIC_REF_BIF_TIMERS + btm_clear_magic_binary(tmr); #endif + if (is_reg_name) { + Eterm term; + if (is_hlt) + term = tmr->type.hlt.receiver.name; + else + term = tmr->type.twt.receiver.name; + ERTS_HLT_ASSERT(is_atom(term)); + term = erts_whereis_name_to_id(NULL, term); + proc = erts_proc_lookup(term); + } + else { + ERTS_HLT_ASSERT(roflgs & ERTS_TMR_ROFLG_PROC); + if (is_hlt) + proc = tmr->type.hlt.receiver.proc; + else + proc = tmr->type.twt.receiver.proc; + ERTS_HLT_ASSERT(proc); + } + if (proc) { + if (!ERTS_PROC_IS_EXITING(proc)) { + ErtsMessage *mp; + erts_smp_proc_lock(proc, ERTS_PROC_LOCK_BTM); + mp = erts_alloc_message(0, NULL); + mp->data.heap_frag = tmr->btm.bp; + erts_queue_message(proc, ERTS_PROC_LOCK_BTM, mp, + tmr->btm.message, am_clock_service); + tmr->btm.bp = NULL; +#ifdef ERTS_MAGIC_REF_BIF_TIMERS + if (tmr->btm.proc_list.next) { + proc_btm_list_delete(&proc->bif_timers, tmr); + dec_refc = 1; + } +#else + if (tmr->btm.proc_tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) { + proc_btm_rbt_delete(&proc->bif_timers, tmr); + tmr->btm.proc_tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE; + dec_refc = 1; + } +#endif + erts_smp_proc_unlock(proc, ERTS_PROC_LOCK_BTM); + } + if (dec_refc) + timer_pre_dec_refc((ErtsTimer *) tmr); + } + if (tmr->btm.bp) + free_message_buffer(tmr->btm.bp); + } + +#ifndef ERTS_MAGIC_REF_BIF_TIMERS + if (tmr->btm.tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) { + btm_rbt_delete(&srv->btm_tree, tmr); + tmr->btm.tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE; + } +#endif + + +} + +static void +tw_bif_timer_timeout(void *vbtmp) +{ +#ifdef ERTS_MAGIC_REF_BIF_TIMERS + ErtsHLTimerService *srv = NULL; +#else + ErtsSchedulerData *esdp = erts_get_scheduler_data(); + ErtsHLTimerService *srv = esdp->timer_service; +#endif + ErtsBifTimer *btmp = (ErtsBifTimer *) vbtmp; + bif_timer_timeout(srv, btmp, btmp->type.head.roflgs, 0); + tw_timer_dec_refc(&btmp->type.twt); +} -static ErtsHLTimer * +static ErtsTimer * create_hl_timer(ErtsSchedulerData *esdp, ErtsMonotonicTime timeout_pos, int short_time, ErtsTmrType type, - void *rcvrp, Eterm rcvr, Eterm acsr, + void *rcvrp, Eterm rcvr, Eterm msg, #ifdef ERTS_MAGIC_REF_BIF_TIMERS ErtsMagicBinary *mbin, @@ -1134,7 +1377,7 @@ create_hl_timer(ErtsSchedulerData *esdp, if (type != ERTS_TMR_BIF) { tmr = erts_alloc(ERTS_ALC_T_HL_PTIMER, - ERTS_HL_PTIMER_SIZE); + sizeof(ErtsHLTimer)); tmr->timeout = timeout_pos; switch (type) { @@ -1170,19 +1413,18 @@ create_hl_timer(ErtsSchedulerData *esdp, } else { /* ERTS_TMR_BIF */ - Uint hsz; if (short_time) { - tmr = bif_timer_pre_alloc(); + tmr = (ErtsHLTimer *) bif_timer_pre_alloc(); if (!tmr) goto alloc_bif_timer; roflgs |= ERTS_TMR_ROFLG_PRE_ALC; } else { alloc_bif_timer: - tmr = erts_alloc(ERTS_ALC_T_BIF_TIMER, - ERTS_BIF_TIMER_SIZE); - } + tmr = (ErtsHLTimer *) erts_alloc(ERTS_ALC_T_BIF_TIMER, + sizeof(ErtsBifTimer)); + } tmr->timeout = timeout_pos; @@ -1199,37 +1441,19 @@ create_hl_timer(ErtsSchedulerData *esdp, refc = 1; } - hsz = is_immed(msg) ? ((Uint) 0) : size_object(msg); - if (!hsz) { - tmr->btm.message = msg; - tmr->btm.bp = NULL; - } - else { - ErlHeapFragment *bp = new_message_buffer(hsz); - Eterm *hp = bp->mem; - tmr->btm.message = copy_struct(msg, hsz, &hp, &bp->off_heap); - tmr->btm.bp = bp; - } + refc += init_btm_specifics(esdp, + (ErtsBifTimer *) tmr, + msg, #ifdef ERTS_MAGIC_REF_BIF_TIMERS - tmr->btm.mbin = mbin; - erts_refc_inc(&mbin->refc, 1); - magic_binary_init(mbin, tmr); - refc += 1; /* from magic binary... */ - tmr->btm.proc_list.next = NULL; + mbin #else - tmr->btm.refn[0] = refn[0]; - tmr->btm.refn[1] = refn[1]; - tmr->btm.refn[2] = refn[2]; - - tmr->btm.proc_tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE; - - btm_rbt_insert(&srv->btm_tree, tmr); + refn #endif + ); } tmr->head.roflgs = roflgs; erts_smp_atomic32_init_nob(&tmr->head.refc, refc); - erts_smp_atomic32_init_nob(&tmr->state, ERTS_TMR_STATE_ACTIVE); if (!srv->next_timeout || tmr->timeout < srv->next_timeout->timeout) { @@ -1256,72 +1480,7 @@ create_hl_timer(ErtsSchedulerData *esdp, ERTS_HLT_HDBG_CHK_SRV(srv); - return tmr; -} - -static ERTS_INLINE void -hlt_bif_timer_timeout(ErtsHLTimer *tmr, Uint32 roflgs) -{ - ErtsProcLocks proc_locks = ERTS_PROC_LOCKS_MSG_SEND; - Process *proc; - int queued_message = 0; - int dec_refc = 0; - Uint32 is_reg_name = (roflgs & ERTS_TMR_ROFLG_REG_NAME); - ERTS_HLT_ASSERT(roflgs & ERTS_TMR_ROFLG_BIF_TMR); - -#ifdef ERTS_MAGIC_REF_BIF_TIMERS - btm_clear_magic_binary(tmr); -#endif - - if (is_reg_name) { - Eterm pid; - ERTS_HLT_ASSERT(is_atom(tmr->receiver.name)); - pid = erts_whereis_name_to_id(NULL, tmr->receiver.name); - proc = erts_proc_lookup(pid); - } - else { - ERTS_HLT_ASSERT(roflgs & ERTS_TMR_ROFLG_PROC); - ERTS_HLT_ASSERT(tmr->receiver.proc); - - proc = tmr->receiver.proc; - proc_locks |= ERTS_PROC_LOCK_BTM; - } - if (proc) { - erts_smp_proc_lock(proc, proc_locks); - /* - * If process is exiting, let it clean up - * the btm tree by itself (it may be in - * the middle of tree destruction). - */ - if (!ERTS_PROC_IS_EXITING(proc)) { - ErtsMessage *mp = erts_alloc_message(0, NULL); - mp->data.heap_frag = tmr->btm.bp; - erts_queue_message(proc, proc_locks, mp, - tmr->btm.message, am_clock_service); - erts_smp_proc_unlock(proc, ERTS_PROC_LOCKS_MSG_SEND); - queued_message = 1; - proc_locks &= ~ERTS_PROC_LOCKS_MSG_SEND; - tmr->btm.bp = NULL; -#ifdef ERTS_MAGIC_REF_BIF_TIMERS - if (tmr->btm.proc_list.next) { - proc_btm_list_delete(&proc->bif_timers, tmr); - dec_refc = 1; - } -#else - if (tmr->btm.proc_tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) { - proc_btm_rbt_delete(&proc->bif_timers, tmr); - tmr->btm.proc_tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE; - dec_refc = 1; - } -#endif - } - if (proc_locks) - erts_smp_proc_unlock(proc, proc_locks); - if (dec_refc) - hl_timer_pre_dec_refc(tmr); - } - if (!queued_message && tmr->btm.bp) - free_message_buffer(tmr->btm.bp); + return (ErtsTimer *) tmr; } static ERTS_INLINE void @@ -1340,49 +1499,27 @@ hlt_port_timeout(ErtsHLTimer *tmr) static void hlt_timeout(ErtsHLTimer *tmr, void *vsrv) { -#if !defined(ERTS_MAGIC_REF_BIF_TIMERS) || defined(ERTS_HLT_HARD_DEBUG) ErtsHLTimerService *srv = (ErtsHLTimerService *) vsrv; -#endif Uint32 roflgs; - erts_aint32_t state; ERTS_HLT_HDBG_CHK_SRV(srv); roflgs = tmr->head.roflgs; ERTS_HLT_ASSERT(roflgs & ERTS_TMR_ROFLG_HLT); - state = erts_smp_atomic32_cmpxchg_acqb(&tmr->state, - ERTS_TMR_STATE_TIMED_OUT, - ERTS_TMR_STATE_ACTIVE); - - ERTS_HLT_ASSERT(state == ERTS_TMR_STATE_CANCELED - || state == ERTS_TMR_STATE_ACTIVE); - - if (state == ERTS_TMR_STATE_ACTIVE) { - - if (roflgs & ERTS_TMR_ROFLG_BIF_TMR) - hlt_bif_timer_timeout(tmr, roflgs); - else if (roflgs & ERTS_TMR_ROFLG_PROC) - hlt_proc_timeout(tmr); - else if (roflgs & ERTS_TMR_ROFLG_PORT) - hlt_port_timeout(tmr); - else { - ERTS_HLT_ASSERT(roflgs & ERTS_TMR_ROFLG_CALLBACK); - (*tmr->receiver.callback)(tmr->head.u.arg); - } - + if (roflgs & ERTS_TMR_ROFLG_BIF_TMR) + bif_timer_timeout(srv, (ErtsBifTimer *) tmr, roflgs, 1); + else if (roflgs & ERTS_TMR_ROFLG_PROC) + hlt_proc_timeout(tmr); + else if (roflgs & ERTS_TMR_ROFLG_PORT) + hlt_port_timeout(tmr); + else { + ERTS_HLT_ASSERT(roflgs & ERTS_TMR_ROFLG_CALLBACK); + (*tmr->receiver.callback)(tmr->head.u.arg); } tmr->time.tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE; -#ifndef ERTS_MAGIC_REF_BIF_TIMERS - if ((roflgs & ERTS_TMR_ROFLG_BIF_TMR) - && tmr->btm.tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) { - btm_rbt_delete(&srv->btm_tree, tmr); - tmr->btm.tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE; - } -#endif - ERTS_HLT_HDBG_CHK_SRV(srv); hl_timer_dec_refc(tmr, roflgs); @@ -1460,17 +1597,6 @@ hlt_delete_timer(ErtsSchedulerData *esdp, ErtsHLTimer *tmr) ERTS_HLT_HDBG_CHK_SRV(srv); -#ifndef ERTS_MAGIC_REF_BIF_TIMERS - if (tmr->head.roflgs & ERTS_TMR_ROFLG_BIF_TMR) { - - if (tmr->btm.tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) { - btm_rbt_delete(&srv->btm_tree, tmr); - tmr->btm.tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE; - } - - } -#endif - if (tmr->time.tree.parent == ERTS_HLT_PFIELD_NOT_IN_TABLE) { /* Already removed... */ ERTS_HLT_HDBG_CHK_SRV(srv); @@ -1541,6 +1667,17 @@ cleanup_sched_local_canceled_timer(ErtsSchedulerData *esdp, ERTS_HLT_ASSERT(esdp == erts_get_scheduler_data()); ERTS_HLT_ASSERT((tmr->head.roflgs & ERTS_TMR_ROFLG_SID_MASK) == (Uint32) esdp->no); + +#ifndef ERTS_MAGIC_REF_BIF_TIMERS + if (roflgs & ERTS_TMR_ROFLG_BIF_TMR) { + ErtsBifTimer *btm = (ErtsBifTimer *) tmr; + if (btm->btm.tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) { + btm_rbt_delete(&esdp->timer_service->btm_tree, btm); + btm->btm.tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE; + } + } +#endif + if (roflgs & ERTS_TMR_ROFLG_HLT) { hlt_delete_timer(esdp, &tmr->hlt); hl_timer_dec_refc(&tmr->hlt, roflgs); @@ -1813,18 +1950,18 @@ Uint erts_bif_timer_memory_size(void) } static BIF_RETTYPE -setup_bif_timer(Process *c_p, ErtsMonotonicTime timeout_pos, - int short_time, Eterm rcvr, Eterm acsr, - Eterm msg, int wrap) +setup_bif_timer(Process *c_p, int twheel, ErtsMonotonicTime timeout_pos, + int short_time, Eterm rcvr, Eterm msg, int wrap) { BIF_RETTYPE ret; Eterm ref, tmo_msg, *hp; - ErtsHLTimer *tmr; + ErtsBifTimer *tmr; ErtsSchedulerData *esdp; #ifdef ERTS_MAGIC_REF_BIF_TIMERS Binary *mbin; #endif Eterm tmp_hp[4]; + ErtsCreateTimerFunc create_timer; if (is_not_internal_pid(rcvr) && is_not_atom(rcvr)) goto badarg; @@ -1846,14 +1983,16 @@ setup_bif_timer(Process *c_p, ErtsMonotonicTime timeout_pos, tmo_msg = wrap ? TUPLE3(tmp_hp, am_timeout, ref, msg) : msg; - tmr = create_hl_timer(esdp, timeout_pos, short_time, - ERTS_TMR_BIF, NULL, rcvr, acsr, tmo_msg, + create_timer = twheel ? create_tw_timer : create_hl_timer; + tmr = (ErtsBifTimer *) create_timer(esdp, timeout_pos, + short_time, ERTS_TMR_BIF, + NULL, rcvr, tmo_msg, #ifdef ERTS_MAGIC_REF_BIF_TIMERS - (ErtsMagicBinary *) mbin, + (ErtsMagicBinary *) mbin, #else - internal_ordinary_ref_numbers(ref), + internal_ordinary_ref_numbers(ref), #endif - NULL, NULL); + NULL, NULL); if (is_internal_pid(rcvr)) { Process *proc = erts_pid2proc_opt(c_p, ERTS_PROC_LOCK_MAIN, @@ -1862,11 +2001,19 @@ setup_bif_timer(Process *c_p, ErtsMonotonicTime timeout_pos, if (!proc) { #ifdef ERTS_MAGIC_REF_BIF_TIMERS btm_clear_magic_binary(tmr); +#else + if (tmr->btm.tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) { + btm_rbt_delete(&esdp->timer_service->btm_tree, tmr); + tmr->btm.tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE; + } #endif if (tmr->btm.bp) free_message_buffer(tmr->btm.bp); - hlt_delete_timer(esdp, tmr); - hl_timer_destroy(tmr); + if (twheel) + cancel_tw_timer(esdp, &tmr->type.twt); + else + hlt_delete_timer(esdp, &tmr->type.hlt); + timer_destroy((ErtsTimer *) tmr, twheel, 1); } else { #ifdef ERTS_MAGIC_REF_BIF_TIMERS @@ -1875,7 +2022,10 @@ setup_bif_timer(Process *c_p, ErtsMonotonicTime timeout_pos, proc_btm_rbt_insert(&proc->bif_timers, tmr); #endif erts_smp_proc_unlock(proc, ERTS_PROC_LOCK_BTM); - tmr->receiver.proc = proc; + if (twheel) + tmr->type.twt.receiver.proc = proc; + else + tmr->type.hlt.receiver.proc = proc; } } @@ -1889,13 +2039,13 @@ badarg: } static int -cancel_bif_timer(ErtsHLTimer *tmr) +cancel_bif_timer(ErtsBifTimer *tmr) { erts_aint_t state; Uint32 roflgs; int res; - state = erts_smp_atomic32_cmpxchg_acqb(&tmr->state, + state = erts_smp_atomic32_cmpxchg_acqb(&tmr->btm.state, ERTS_TMR_STATE_CANCELED, ERTS_TMR_STATE_ACTIVE); if (state != ERTS_TMR_STATE_ACTIVE) @@ -1910,10 +2060,14 @@ cancel_bif_timer(ErtsHLTimer *tmr) res = -1; - roflgs = tmr->head.roflgs; + roflgs = tmr->type.head.roflgs; if (roflgs & ERTS_TMR_ROFLG_PROC) { - Process *proc = tmr->receiver.proc; - ERTS_HLT_ASSERT(!(tmr->head.roflgs & ERTS_TMR_ROFLG_REG_NAME)); + Process *proc; + + proc = ((tmr->type.head.roflgs & ERTS_TMR_ROFLG_HLT) + ? tmr->type.hlt.receiver.proc + : tmr->type.twt.receiver.proc); + ERTS_HLT_ASSERT(!(tmr->type.head.roflgs & ERTS_TMR_ROFLG_REG_NAME)); erts_smp_proc_lock(proc, ERTS_PROC_LOCK_BTM); /* @@ -1941,18 +2095,25 @@ cancel_bif_timer(ErtsHLTimer *tmr) } static ERTS_INLINE Sint64 -access_btm(ErtsHLTimer *tmr, Uint32 sid, ErtsSchedulerData *esdp, int cancel) +access_btm(ErtsBifTimer *tmr, Uint32 sid, ErtsSchedulerData *esdp, int cancel) { int cncl_res; Sint64 time_left; + ErtsMonotonicTime timeout; + int is_hlt; if (!tmr) return -1; + is_hlt = !!(tmr->type.head.roflgs & ERTS_TMR_ROFLG_HLT); + timeout = (is_hlt + ? tmr->type.hlt.timeout + : tmr->type.twt.tw_tmr.timeout_pos); + if (!cancel) { - erts_aint32_t state = erts_smp_atomic32_read_acqb(&tmr->state); + erts_aint32_t state = erts_smp_atomic32_read_acqb(&tmr->btm.state); if (state == ERTS_TMR_STATE_ACTIVE) - return get_time_left(esdp, tmr->timeout); + return get_time_left(esdp, timeout); return -1; } @@ -1960,17 +2121,29 @@ access_btm(ErtsHLTimer *tmr, Uint32 sid, ErtsSchedulerData *esdp, int cancel) if (!cncl_res) return -1; - time_left = get_time_left(esdp, tmr->timeout); + time_left = get_time_left(esdp, timeout); if (sid != (Uint32) esdp->no) { if (cncl_res > 0) queue_canceled_timer(esdp, sid, (ErtsTimer *) tmr); } else { - if (cncl_res > 0) - hl_timer_dec_refc(tmr, tmr->head.roflgs); - - hlt_delete_timer(esdp, tmr); +#ifndef ERTS_MAGIC_REF_BIF_TIMERS + if (tmr->btm.tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) { + btm_rbt_delete(&esdp->timer_service->btm_tree, tmr); + tmr->btm.tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE; + } +#endif + if (is_hlt) { + if (cncl_res > 0) + hl_timer_dec_refc(&tmr->type.hlt, tmr->type.hlt.head.roflgs); + hlt_delete_timer(esdp, &tmr->type.hlt); + } + else { + if (cncl_res > 0) + tw_timer_dec_refc(&tmr->type.twt); + cancel_tw_timer(esdp, &tmr->type.twt); + } } return time_left; @@ -2059,7 +2232,7 @@ access_bif_timer(Process *c_p, Eterm tref, int cancel, int async, int info) if (mbin->destructor != bif_timer_ref_destructor) time_left = -1; else { - ErtsHLTimer *tmr; + ErtsBifTimer *tmr; Uint32 sid; tmr = magic_binary_to_btm(mbin); sid = erts_get_ref_numbers_thr_id(internal_magic_ref_numbers(tref)); @@ -2133,7 +2306,7 @@ access_sched_local_btm(Process *c_p, Eterm pid, { ErtsSchedulerData *esdp; ErtsHLTimerService *srv; - ErtsHLTimer *tmr; + ErtsBifTimer *tmr; Sint64 time_left; Process *proc; ErtsProcLocks proc_locks; @@ -2223,7 +2396,7 @@ try_access_sched_remote_btm(ErtsSchedulerData *esdp, int async, int cancel, int info, Eterm *resp) { - ErtsHLTimer *tmr; + ErtsBifTimer *tmr; Sint64 time_left; ERTS_HLT_ASSERT(c_p); @@ -2405,8 +2578,8 @@ bool_arg(Eterm val, int *argp) } static ERTS_INLINE int -parse_bif_timer_options(Eterm option_list, int *async, int *info, - int *abs, Eterm *accessor) +parse_bif_timer_options(Eterm option_list, int *async, + int *info, int *abs) { Eterm list = option_list; @@ -2416,8 +2589,6 @@ parse_bif_timer_options(Eterm option_list, int *async, int *info, *info = 1; if (abs) *abs = 0; - if (accessor) - *accessor = THE_NON_VALUE; while (is_list(list)) { Eterm *consp, *tp, opt; @@ -2457,18 +2628,20 @@ parse_bif_timer_options(Eterm option_list, int *async, int *info, } static void -exit_cancel_bif_timer(ErtsHLTimer *tmr, void *vesdp) +exit_cancel_bif_timer(ErtsBifTimer *tmr, void *vesdp) { ErtsSchedulerData *esdp = (ErtsSchedulerData *) vesdp; Uint32 sid, roflgs; erts_aint_t state; + int is_hlt; - state = erts_smp_atomic32_cmpxchg_acqb(&tmr->state, + state = erts_smp_atomic32_cmpxchg_acqb(&tmr->btm.state, ERTS_TMR_STATE_CANCELED, ERTS_TMR_STATE_ACTIVE); - roflgs = tmr->head.roflgs; + roflgs = tmr->type.head.roflgs; sid = roflgs & ERTS_TMR_ROFLG_SID_MASK; + is_hlt = !!(roflgs & ERTS_TMR_ROFLG_HLT); ERTS_HLT_ASSERT(sid == erts_get_ref_numbers_thr_id(ERTS_BTM_HLT2REFN(tmr))); #ifdef ERTS_MAGIC_REF_BIF_TIMERS @@ -2479,29 +2652,33 @@ exit_cancel_bif_timer(ErtsHLTimer *tmr, void *vesdp) tmr->btm.proc_tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE; #endif - if (sid == (Uint32) esdp->no) { - if (state == ERTS_TMR_STATE_ACTIVE) { + if (state == ERTS_TMR_STATE_ACTIVE) { #ifdef ERTS_MAGIC_REF_BIF_TIMERS - btm_clear_magic_binary(tmr); + btm_clear_magic_binary(tmr); #endif - if (tmr->btm.bp) - free_message_buffer(tmr->btm.bp); - hlt_delete_timer(esdp, tmr); + if (tmr->btm.bp) + free_message_buffer(tmr->btm.bp); + + if (sid != (Uint32) esdp->no) { + queue_canceled_timer(esdp, sid, (ErtsTimer *) tmr); + return; + } + +#ifndef ERTS_MAGIC_REF_BIF_TIMERS + if (tmr->btm.tree.parent != ERTS_HLT_PFIELD_NOT_IN_TABLE) { + btm_rbt_delete(&esdp->timer_service->btm_tree, tmr); + tmr->btm.tree.parent = ERTS_HLT_PFIELD_NOT_IN_TABLE; } - hl_timer_dec_refc(tmr, roflgs); - } - else { - if (state == ERTS_TMR_STATE_ACTIVE) { -#ifdef ERTS_MAGIC_REF_BIF_TIMERS - btm_clear_magic_binary(tmr); #endif - if (tmr->btm.bp) - free_message_buffer(tmr->btm.bp); - queue_canceled_timer(esdp, sid, (ErtsTimer *) tmr); - } - else - hl_timer_dec_refc(tmr, roflgs); + if (is_hlt) + hlt_delete_timer(esdp, &tmr->type.hlt); + else + cancel_tw_timer(esdp, &tmr->type.twt); } + if (is_hlt) + hl_timer_dec_refc(&tmr->type.hlt, roflgs); + else + tw_timer_dec_refc(&tmr->type.twt); } #ifdef ERTS_HLT_DEBUG @@ -2571,10 +2748,11 @@ int erts_cancel_bif_timers(Process *p, ErtsBifTimers **btm, void **vyspp) static ERTS_INLINE int parse_timeout_pos(ErtsSchedulerData *esdp, Eterm arg, ErtsMonotonicTime *conv_arg, int abs, - ErtsMonotonicTime *tposp, int *stimep) + ErtsMonotonicTime *tposp, int *stimep, + ErtsMonotonicTime *msp) { - ErtsMonotonicTime t; - + ErtsMonotonicTime t, now; + if (!term_to_Sint64(arg, &t)) { ERTS_HLT_ASSERT(!is_small(arg)); if (!is_big(arg)) @@ -2589,22 +2767,30 @@ parse_timeout_pos(ErtsSchedulerData *esdp, Eterm arg, if (conv_arg) *conv_arg = t; + now = erts_get_monotonic_time(esdp); + if (abs) { t += -1*ERTS_MONOTONIC_OFFSET_MSEC; /* external to internal */ if (t < ERTS_MONOTONIC_TO_MSEC(ERTS_MONOTONIC_BEGIN)) return 1; if (t > ERTS_MONOTONIC_TO_MSEC(ERTS_MONOTONIC_END)) return 1; + if (msp) + *msp = t - ERTS_MONOTONIC_TO_MSEC(now); + *stimep = (t - ERTS_MONOTONIC_TO_MSEC(esdp->last_monotonic_time) < ERTS_BIF_TIMER_SHORT_TIME); *tposp = ERTS_MSEC_TO_CLKTCKS(t); } else { - ErtsMonotonicTime now, ticks; + ErtsMonotonicTime ticks; if (t < 0) return -1; + if (msp) + *msp = t; + ticks = ERTS_MSEC_TO_CLKTCKS(t); if (ERTS_CLKTCK_RESOLUTION > 1000 && ticks < 0) @@ -2612,7 +2798,6 @@ parse_timeout_pos(ErtsSchedulerData *esdp, Eterm arg, ERTS_HLT_ASSERT(ticks >= 0); - now = erts_get_monotonic_time(esdp); ticks += ERTS_MONOTONIC_TO_CLKTCKS(now-1); ticks += 1; @@ -2635,66 +2820,68 @@ parse_timeout_pos(ErtsSchedulerData *esdp, Eterm arg, BIF_RETTYPE send_after_3(BIF_ALIST_3) { - ErtsMonotonicTime timeout_pos; + ErtsMonotonicTime timeout_pos, tmo; int short_time, tres; - tres = parse_timeout_pos(erts_proc_sched_data(BIF_P), BIF_ARG_1, NULL, - 0, &timeout_pos, &short_time); + tres = parse_timeout_pos(erts_proc_sched_data(BIF_P), BIF_ARG_1, + NULL, 0, &timeout_pos, &short_time, &tmo); if (tres != 0) BIF_ERROR(BIF_P, BADARG); - return setup_bif_timer(BIF_P, timeout_pos, short_time, - BIF_ARG_2, BIF_ARG_2, BIF_ARG_3, 0); + return setup_bif_timer(BIF_P, tmo < ERTS_TIMER_WHEEL_MSEC, + timeout_pos, short_time, BIF_ARG_2, + BIF_ARG_3, 0); } BIF_RETTYPE send_after_4(BIF_ALIST_4) { - ErtsMonotonicTime timeout_pos; - Eterm accessor; + ErtsMonotonicTime timeout_pos, tmo; int short_time, abs, tres; - if (!parse_bif_timer_options(BIF_ARG_4, NULL, NULL, &abs, &accessor)) + if (!parse_bif_timer_options(BIF_ARG_4, NULL, NULL, &abs)) BIF_ERROR(BIF_P, BADARG); tres = parse_timeout_pos(erts_proc_sched_data(BIF_P), BIF_ARG_1, NULL, - abs, &timeout_pos, &short_time); + abs, &timeout_pos, &short_time, &tmo); if (tres != 0) BIF_ERROR(BIF_P, BADARG); - return setup_bif_timer(BIF_P, timeout_pos, short_time, - BIF_ARG_2, accessor, BIF_ARG_3, 0); + return setup_bif_timer(BIF_P, tmo < ERTS_TIMER_WHEEL_MSEC, + timeout_pos, short_time, BIF_ARG_2, + BIF_ARG_3, 0); } BIF_RETTYPE start_timer_3(BIF_ALIST_3) { - ErtsMonotonicTime timeout_pos; + ErtsMonotonicTime timeout_pos, tmo; int short_time, tres; tres = parse_timeout_pos(erts_proc_sched_data(BIF_P), BIF_ARG_1, NULL, - 0, &timeout_pos, &short_time); + 0, &timeout_pos, &short_time, &tmo); if (tres != 0) BIF_ERROR(BIF_P, BADARG); - return setup_bif_timer(BIF_P, timeout_pos, short_time, - BIF_ARG_2, BIF_ARG_2, BIF_ARG_3, !0); + return setup_bif_timer(BIF_P, tmo < ERTS_TIMER_WHEEL_MSEC, + timeout_pos, short_time, BIF_ARG_2, + BIF_ARG_3, !0); } BIF_RETTYPE start_timer_4(BIF_ALIST_4) { - ErtsMonotonicTime timeout_pos; - Eterm accessor; + ErtsMonotonicTime timeout_pos, tmo; int short_time, abs, tres; - if (!parse_bif_timer_options(BIF_ARG_4, NULL, NULL, &abs, &accessor)) + if (!parse_bif_timer_options(BIF_ARG_4, NULL, NULL, &abs)) BIF_ERROR(BIF_P, BADARG); tres = parse_timeout_pos(erts_proc_sched_data(BIF_P), BIF_ARG_1, NULL, - abs, &timeout_pos, &short_time); + abs, &timeout_pos, &short_time, &tmo); if (tres != 0) BIF_ERROR(BIF_P, BADARG); - return setup_bif_timer(BIF_P, timeout_pos, short_time, - BIF_ARG_2, accessor, BIF_ARG_3, !0); + return setup_bif_timer(BIF_P, tmo < ERTS_TIMER_WHEEL_MSEC, + timeout_pos, short_time, BIF_ARG_2, + BIF_ARG_3, !0); } BIF_RETTYPE cancel_timer_1(BIF_ALIST_1) @@ -2707,7 +2894,7 @@ BIF_RETTYPE cancel_timer_2(BIF_ALIST_2) BIF_RETTYPE ret; int async, info; - if (parse_bif_timer_options(BIF_ARG_2, &async, &info, NULL, NULL)) + if (parse_bif_timer_options(BIF_ARG_2, &async, &info, NULL)) return access_bif_timer(BIF_P, BIF_ARG_1, 1, async, info); ERTS_BIF_PREP_ERROR(ret, BIF_P, BADARG); @@ -2724,7 +2911,7 @@ BIF_RETTYPE read_timer_2(BIF_ALIST_2) BIF_RETTYPE ret; int async; - if (parse_bif_timer_options(BIF_ARG_2, &async, NULL, NULL, NULL)) + if (parse_bif_timer_options(BIF_ARG_2, &async, NULL, NULL)) return access_bif_timer(BIF_P, BIF_ARG_1, 0, async, 1); ERTS_BIF_PREP_ERROR(ret, BIF_P, BADARG); @@ -2739,14 +2926,13 @@ start_callback_timer(ErtsSchedulerData *esdp, void *arg) { - if (twt) - create_tw_timer(esdp, ERTS_TMR_CALLBACK, NULL, - callback, arg, timeout_pos); - else - create_hl_timer(esdp, timeout_pos, 0, - ERTS_TMR_CALLBACK, NULL, - NIL, THE_NON_VALUE, NIL, - NULL, callback, arg); + ErtsCreateTimerFunc create_timer = (twt + ? create_tw_timer + : create_hl_timer); + (void) create_timer(esdp, timeout_pos, 0, + ERTS_TMR_CALLBACK, NULL, + NIL, THE_NON_VALUE, NULL, + callback, arg); } typedef struct { @@ -2823,18 +3009,18 @@ set_proc_timer_common(Process *c_p, ErtsSchedulerData *esdp, Sint64 tmo, if (tmo == 0) c_p->flags |= F_TIMO; else { + ErtsCreateTimerFunc create_timer; c_p->flags |= F_INSLPQUEUE; c_p->flags &= ~F_TIMO; - if (tmo < ERTS_TIMER_WHEEL_MSEC) - tmr = (void *) create_tw_timer(esdp, ERTS_TMR_PROC, (void *) c_p, - NULL, NULL, timeout_pos); - else - tmr = (void *) create_hl_timer(esdp, timeout_pos, short_time, - ERTS_TMR_PROC, (void *) c_p, - c_p->common.id, THE_NON_VALUE, - NIL, NULL, NULL, NULL); + create_timer = (tmo < ERTS_TIMER_WHEEL_MSEC + ? create_tw_timer + : create_hl_timer); + tmr = (void *) create_timer(esdp, timeout_pos, short_time, + ERTS_TMR_PROC, (void *) c_p, + c_p->common.id, THE_NON_VALUE, + NULL, NULL, NULL); erts_smp_atomic_set_relb(&c_p->common.timer, (erts_aint_t) tmr); } } @@ -2850,7 +3036,7 @@ erts_set_proc_timer_term(Process *c_p, Eterm etmo) == ERTS_PTMR_NONE); tres = parse_timeout_pos(esdp, etmo, &tmo, 0, - &timeout_pos, &short_time); + &timeout_pos, &short_time, NULL); if (tres != 0) return tres; @@ -2908,6 +3094,7 @@ erts_set_port_timer(Port *c_prt, Sint64 tmo) void *tmr; ErtsSchedulerData *esdp = erts_get_scheduler_data(); ErtsMonotonicTime timeout_pos; + ErtsCreateTimerFunc create_timer; if (erts_smp_atomic_read_nob(&c_prt->common.timer) != ERTS_PTMR_NONE) erts_cancel_port_timer(c_prt); @@ -2916,13 +3103,12 @@ erts_set_port_timer(Port *c_prt, Sint64 tmo) timeout_pos = get_timeout_pos(erts_get_monotonic_time(esdp), tmo); - if (tmo < ERTS_TIMER_WHEEL_MSEC) - tmr = (void *) create_tw_timer(esdp, ERTS_TMR_PORT, (void *) c_prt, - NULL, NULL, timeout_pos); - else - tmr = (void *) create_hl_timer(esdp, timeout_pos, 0, ERTS_TMR_PORT, - (void *) c_prt, c_prt->common.id, - THE_NON_VALUE, NIL, NULL, NULL, NULL); + create_timer = (tmo < ERTS_TIMER_WHEEL_MSEC + ? create_tw_timer + : create_hl_timer); + tmr = (void *) create_timer(esdp, timeout_pos, 0, ERTS_TMR_PORT, + (void *) c_prt, c_prt->common.id, + THE_NON_VALUE, NULL, NULL, NULL); erts_smp_atomic_set_relb(&c_prt->common.timer, (erts_aint_t) tmr); } @@ -2976,25 +3162,39 @@ typedef struct { } ErtsBTMPrint; static void -btm_print(ErtsHLTimer *tmr, void *vbtmp) +btm_print(ErtsBifTimer *tmr, void *vbtmp, ErtsMonotonicTime tpos, int is_hlt) { ErtsBTMPrint *btmp = (ErtsBTMPrint *) vbtmp; ErtsMonotonicTime left; Eterm receiver; #ifdef ERTS_MAGIC_REF_BIF_TIMERS - if (!(tmr->head.roflgs & ERTS_TMR_ROFLG_BIF_TMR)) + if (!(tmr->type.head.roflgs & ERTS_TMR_ROFLG_BIF_TMR)) return; #endif - if (tmr->timeout <= btmp->now) - left = 0; - else - left = ERTS_CLKTCKS_TO_MSEC(tmr->timeout - btmp->now); + if (is_hlt) { + ERTS_HLT_ASSERT(tmr->type.head.roflgs & ERTS_TMR_ROFLG_HLT); + if (tmr->type.hlt.timeout <= btmp->now) + left = 0; + else + left = ERTS_CLKTCKS_TO_MSEC(tmr->type.hlt.timeout - btmp->now); - receiver = ((tmr->head.roflgs & ERTS_TMR_ROFLG_REG_NAME) - ? tmr->receiver.name - : tmr->receiver.proc->common.id); + receiver = ((tmr->type.head.roflgs & ERTS_TMR_ROFLG_REG_NAME) + ? tmr->type.hlt.receiver.name + : tmr->type.hlt.receiver.proc->common.id); + } + else { + ERTS_HLT_ASSERT(!(tmr->type.head.roflgs & ERTS_TMR_ROFLG_HLT)); + if (tpos <= btmp->now) + left = 0; + else + left = ERTS_CLKTCKS_TO_MSEC(tpos - btmp->now); + + receiver = ((tmr->type.head.roflgs & ERTS_TMR_ROFLG_REG_NAME) + ? tmr->type.twt.receiver.name + : tmr->type.twt.receiver.proc->common.id); + } erts_print(btmp->to, btmp->to_arg, "=timer:%T\n" @@ -3005,6 +3205,36 @@ btm_print(ErtsHLTimer *tmr, void *vbtmp) (Sint64) left); } +#ifdef ERTS_MAGIC_REF_BIF_TIMERS + +static void +hlt_btm_print(ErtsHLTimer *tmr, void *vbtmp) +{ + btm_print((ErtsBifTimer *) tmr, vbtmp, 0, 1); +} + +static void +twt_btm_print(void *vbtmp, ErtsMonotonicTime tpos, void *vtwtp) +{ + btm_print((ErtsBifTimer *) vtwtp, vbtmp, tpos, 0); +} + +#else + +static void +btm_tree_print(ErtsBifTimer *tmr, void *vbtmp) +{ + int is_hlt = !!(tmr->type.head.roflgs & ERTS_TMR_ROFLG_HLT); + ErtsMonotonicTime tpos; + if (is_hlt) + tpos = 0; + else + tpos = tmr->type.twt.tw_tmr.timeout_pos; + btm_print(tmr, vbtmp, tpos, is_hlt); +} + +#endif + void erts_print_bif_timer_info(fmtfn_t to, void *to_arg) { @@ -3023,9 +3253,13 @@ erts_print_bif_timer_info(fmtfn_t to, void *to_arg) ErtsHLTimerService *srv = erts_aligned_scheduler_data[six].esd.timer_service; #ifdef ERTS_MAGIC_REF_BIF_TIMERS - time_rbt_foreach(srv->time_tree, btm_print, (void *) &btmp); + ErtsTimerWheel *twheel = + erts_aligned_scheduler_data[six].esd.timer_wheel; + erts_twheel_debug_foreach(twheel, tw_bif_timer_timeout, + twt_btm_print, (void *) &btmp); + time_rbt_foreach(srv->time_tree, hlt_btm_print, (void *) &btmp); #else - btm_rbt_foreach(srv->btm_tree, btm_print, (void *) &btmp); + btm_rbt_foreach(srv->btm_tree, btm_tree_print, (void *) &btmp); #endif } } @@ -3039,23 +3273,52 @@ typedef struct { } ErtsBTMForeachDebug; static void -debug_btm_foreach(ErtsHLTimer *tmr, void *vbtmfd) +debug_btm_foreach(ErtsBifTimer *tmr, void *vbtmfd, int is_hlt) { #ifdef ERTS_MAGIC_REF_BIF_TIMERS - if (!(tmr->head.roflgs & ERTS_TMR_ROFLG_BIF_TMR)) + if (!(tmr->type.head.roflgs & ERTS_TMR_ROFLG_BIF_TMR)) return; #endif - if (erts_smp_atomic32_read_nob(&tmr->state) == ERTS_TMR_STATE_ACTIVE) { + if (erts_smp_atomic32_read_nob(&tmr->btm.state) == ERTS_TMR_STATE_ACTIVE) { ErtsBTMForeachDebug *btmfd = (ErtsBTMForeachDebug *) vbtmfd; - (*btmfd->func)(((tmr->head.roflgs & ERTS_TMR_ROFLG_REG_NAME) - ? tmr->receiver.name - : tmr->receiver.proc->common.id), - tmr->btm.message, - tmr->btm.bp, - btmfd->arg); + Eterm id; + if (is_hlt) + id = ((tmr->type.head.roflgs & ERTS_TMR_ROFLG_REG_NAME) + ? tmr->type.hlt.receiver.name + : tmr->type.hlt.receiver.proc->common.id); + else + id = ((tmr->type.head.roflgs & ERTS_TMR_ROFLG_REG_NAME) + ? tmr->type.twt.receiver.name + : tmr->type.twt.receiver.proc->common.id); + (*btmfd->func)(id, tmr->btm.message, tmr->btm.bp, btmfd->arg); } } +#ifdef ERTS_MAGIC_REF_BIF_TIMERS + +static void +hlt_debug_btm_foreach(ErtsHLTimer *tmr, void *vbtmfd) +{ + debug_btm_foreach((ErtsBifTimer *) tmr, vbtmfd, 1); +} + +static void +twt_debug_btm_foreach(void *vbtmfd, ErtsMonotonicTime tpos, void *vtwtp) +{ + debug_btm_foreach((ErtsBifTimer *) vtwtp, vbtmfd, 0); +} + +#else + +static void +debug_btm_tree_foreach(ErtsBifTimer *tmr, void *vbtmfd) +{ + debug_btm_foreach(tmr, vbtmfd, !!(tmr->type.head.roflgs + & ERTS_TMR_ROFLG_HLT)); +} + +#endif + void erts_debug_bif_timer_foreach(void (*func)(Eterm, Eterm, @@ -3076,13 +3339,17 @@ erts_debug_bif_timer_foreach(void (*func)(Eterm, ErtsHLTimerService *srv = erts_aligned_scheduler_data[six].esd.timer_service; #ifdef ERTS_MAGIC_REF_BIF_TIMERS + ErtsTimerWheel *twheel = + erts_aligned_scheduler_data[six].esd.timer_wheel; + erts_twheel_debug_foreach(twheel, tw_bif_timer_timeout, + twt_debug_btm_foreach, + (void *) &btmfd); time_rbt_foreach(srv->time_tree, - debug_btm_foreach, + hlt_debug_btm_foreach, (void *) &btmfd); - #else btm_rbt_foreach(srv->btm_tree, - debug_btm_foreach, + debug_btm_tree_foreach, (void *) &btmfd); #endif } @@ -3136,7 +3403,7 @@ debug_tw_callback_timer(void *vdfct, ErtsDebugForeachCallbackTimer *dfct = (ErtsDebugForeachCallbackTimer *) vdfct; - if (twtp->u.callback == dfct->tclbk) + if (twtp->receiver.callback == dfct->tclbk) (*dfct->func)(dfct->arg, timeout_pos, twtp->head.u.arg); diff --git a/erts/emulator/beam/erl_hl_timer.h b/erts/emulator/beam/erl_hl_timer.h index 33cdf217d7..f70fcdd1c0 100644 --- a/erts/emulator/beam/erl_hl_timer.h +++ b/erts/emulator/beam/erl_hl_timer.h @@ -21,7 +21,7 @@ #ifndef ERL_HL_TIMER_H__ #define ERL_HL_TIMER_H__ -typedef struct ErtsHLTimer_ ErtsBifTimers; +typedef struct ErtsBifTimer_ ErtsBifTimers; typedef struct ErtsHLTimerService_ ErtsHLTimerService; #include "sys.h" |